ref: Use STUN/TURN for the P2P connection.

modules/xmpp/strophe.jingle.js

                     }
                     }
                 });
-                this.jvbIceConfig.iceServers = iceservers;
+
+                if (this.xmpp.options.useStunTurn) {
+                    this.jvbIceConfig.iceServers = iceservers;
+                }
+
+                if (this.xmpp.options.p2p.useStunTurn) {
+                    this.p2pIceConfig.iceServers = iceservers;
+                }
+
             }, err => {
                 logger.warn('getting turn credentials failed', err);
                 logger.warn('is mod_turncredentials or similar installed?');

modules/xmpp/xmpp.js

             now);
         if (status === Strophe.Status.CONNECTED
             || status === Strophe.Status.ATTACHED) {
-            if (this.options.useStunTurn) {
+            if (this.options.useStunTurn || this.options.p2p.useStunTurn) {
                 this.connection.jingle.getStunAndTurnCredentials();
             }